PDF malware analysis — malicious · 96af98987d458f6c

MALICIOUS

PDF

1.4 KB

MD5: 308671689c53f5f873a83c5687cb7803 SHA-1: 38cc1ad2b02cf0d5df8aa2510174ba02e1cb8912 SHA-256: 96af98987d458f6c73ee5f63ad7f63bf6df18a6325f463cdd0b37a55b737724d

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The critical CVE_2009_4324 heuristic suggests exploitation of a specific vulnerability related to media playback. The presence of unescape() calls and the ClamAV detection as Pdf.Dropper.Agent-7284574-0 strongly indicate that the embedded JavaScript is designed to download and execute a secondary malicious payload. The file's purpose is to act as a dropper for further malware.

Heuristics 6

media.newPlayer — CVE-2009-4324 critical CVE exact CVE_2009_4324

PDF JavaScript calls media.newPlayer — CVE-2009-4324 is a use-after-free in Adobe Reader's multimedia plugin triggered by media.newPlayer(). Actively exploited as a zero-day in December 2009. (matched in decompressed stream)
ClamAV: Pdf.Dropper.Agent-7284574-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7284574-0
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj111111_000.js` `851ce38c17d089c2a728b0f897651880606a2313afb35be1b5574a420553c9c5`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	1262 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).
`javascript_obj111112_001.js` `099723c45d6f949a1037210809a7cd82ba807226ca458035d6581707893b15f2`	pdf-javascript-stream	PDF /JS object 111112 at offset 0x48A	261 bytes

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